Engineered Treatment Systems (ETS), a manufacturer of ultraviolet (UV) disinfection systems, announced they have been chosen to supply the ultraviolet treatment systems to disinfect the drinking water for the Dr. Dimiter Ramandanoff Water Treatment Plant in the city of Berea, Ohio.

Berea is a western suburb of Cleveland that serves a population of approximately 20,000 people. The east branch of the Rocky River feeds the drinking water plant. Water can also be drawn at times from Coe Lake and Baldwin Creek if needed.

In 2010 the Dr. Dimiter Ramandanoff Water Treatment Plant installed a new carbon-based filtration system as well as a new back up storage tank. Despite these improvements, there were still times water from the tap was discolored. An initiative to replace aging cast iron water lines was implemented and the decision to add ultraviolet disinfection to further improve the water quality was made.

The ultraviolet disinfection system will consist of 2 of the ETS SX-425-10 drinking water reactors, each installed after the carbon based filtration system, and capable of treating up to 3.6 million gal per day peak flow for a transmittance of 84%. UV disinfection was chosen because it is the most effective treatment against bacteria, viruses and Cryptosporidium. The ETS-UV disinfection was selected because all ETS UV systems are third party validated in accordance with the U.S. Environmental Protection Agency (EPA) Guidance manual, and are manufactured at the ETS production facility in Beaver Dam, Wis. In addition, the city examined a variety of disinfection methods, and UV was selected as the most cost advantageous because of its simplicity, reliability and economical operating costs.

“The Berea treatment plant is state of the art," said Sandy Vozar, superintendent of the Berea drinking water plant. “The plan is to not only meet but to exceed the EPA quality guidelines for our drinking water plant. I know that the ETS-UV Disinfection system will help us to do that. I have been impressed by their technical knowledge and commitment to our project”.